Lateral release (phonetics)
In phonetics, a lateral release is the release of a plosive consonant into a lateral consonant. Such sounds are transcribed in the IPA with a superscript ⟨l⟩, for example as [tˡ] in English spotless [ˈspɒtˡlɨs].
Source: Wikipedia — Lateral release (phonetics) (CC BY-SA 4.0)